Home / 11,429.28-17,149.26-4,039.32

Finding the Fourth Proportional to 11,429.28, 17,149.26 and 4,039.32

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Solution

The fourth proportional to 11,429.28, 17,149.26 and 4,039.32 is: 6,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,429.28 : 17,149.26 = 4,039.32 : x
  2. Step 2: Convert to fraction form
    11,429.28/17,149.26 = 4,039.32/x
  3. Step 3: Cross multiply
    11,429.28x = 17,149.26 × 4,039.32
  4. Step 4: Simplify right side
    11,429.28x = 69,271,348.90
  5. Step 5: Solve for x
    x = 69,271,348.90/11,429.28
  6. Step 6: Final answer
    x = 6,060.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.